If you describe someone or something as unformed, you mean that they are in an early stage of development and not fully formed or matured. The market for which they are competing is still unformed. the unformed minds of children. = undeveloped. not yet developed
not yet fully formed; "unformed still in body and mind" not formed or organized; "an as yet unformed government" not having form or shape; "unformed clay
Unorganized; without definite shape or structure; as, an unformed, or unorganized, ferment